Home / 676,760.27-1,015,701.17-339,897.35

Finding the Fourth Proportional to 676,760.27, 1,015,701.17 and 339,897.35

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Solution

The fourth proportional to 676,760.27, 1,015,701.17 and 339,897.35 is: 510,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,760.27 : 1,015,701.17 = 339,897.35 : x
  2. Step 2: Convert to fraction form
    676,760.27/1,015,701.17 = 339,897.35/x
  3. Step 3: Cross multiply
    676,760.27x = 1,015,701.17 × 339,897.35
  4. Step 4: Simplify right side
    676,760.27x = 345,234,136,074.90
  5. Step 5: Solve for x
    x = 345,234,136,074.90/676,760.27
  6. Step 6: Final answer
    x = 510,127.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.